Calcul Mental
26/07/2026
MiCetF
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11 s.
Ajouter ou retrancher un nombre du type 10, 200...
0 s.
371 - 40 =
554 - 100 =
137 + 80 =
771 + 20 =
463 + 10 =
365 - 20 =
17 + 800 =
61 + 50 =
270 + 700 =
78 - 50 =
144 - 100 =
92 + 400 =
789 + 20 =
278 + 200 =
48 + 40 =
40 + 900 =
195 + 20 =
161 + 300 =
200 + 60 =
316 - 40 =
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